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Showing results for
sphaerexochus
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Sphaeroxochus
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Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada.
Zootaxa. 2021 Sep 24;5041(1):1-73. doi: 10.11646/zootaxa.5041.1.1.
Zootaxa. 2021.
PMID: 34811019
The concept of Sphaerexochinae is restricted to the genus Sphaerexochus itself, with the possible inclusion of Newfoundlandops n. gen. (type species N. karimae n. sp.), which shares with Sphaerexochus potential synapomorphies including the structure of the hypostome …
The concept of Sphaerexochinae is restricted to the genus Sphaerexochus itself, with the possible inclusion of Newfoundlandops n. gen …
Phylogenetic and biogeographic analysis of sphaerexochine trilobites.
Congreve CR, Lieberman BS.
Congreve CR, et al.
PLoS One. 2011;6(6):e21304. doi: 10.1371/journal.pone.0021304. Epub 2011 Jun 27.
PLoS One. 2011.
PMID: 21738632
Free PMC article.
The results of this analysis were then used in a Lieberman-modified Brooks Parsimony Analysis to analyze biogeographic patterns during the Ordovician-Silurian. CONCLUSIONS/SIGNIFICANCE: The genus Sphaerexochus was found to be monophyletic, consisting of two smaller clades …
The results of this analysis were then used in a Lieberman-modified Brooks Parsimony Analysis to analyze biogeographic patterns during the O …
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Unraveling the phylogenetic relationships of the Eccoptochilinae, an enigmatic array of ordovician cheirurid trilobites.
Gapp IW, Congreve CR, Lieberman BS.
Gapp IW, et al.
PLoS One. 2012;7(11):e49115. doi: 10.1371/journal.pone.0049115. Epub 2012 Nov 16.
PLoS One. 2012.
PMID: 23173046
Free PMC article.
To assess the monophyly of the Eccoptochilinae seven sphaerexochine species, Kawina arnoldi, Sphaerexochus arenosus, S. atacius, S. latifrons, S. mirus, S. parvus, and S. scabridus were included in the analysis as well. ...
To assess the monophyly of the Eccoptochilinae seven sphaerexochine species, Kawina arnoldi, Sphaerexochus arenosus, S. atacius, S. l …
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